Temporary drainage device for roadbed

Abstract

The utility model provides a temporary drainage device for a roadbed, which comprises a water inlet drainage tank section laid on the top surface of the roadbed and a plurality of lengthened drainage tank sections laid on the side surface of the roadbed and distributed along the gradient direction of the side surface of the roadbed, and the uppermost lengthened drainage tank section is detachably connected with the water inlet drainage tank section. The adjacent lengthened drainage groove sections are detachably connected together, the water inlet drainage groove section and the lengthened drainage groove sections are prefabricated parts, the water inlet drainage groove section comprises a water inlet section and a water outlet section which are fixedly connected together, and the included angle between the water inlet section and the water outlet section is equal to the angle between the top surface and the side surface of a roadbed. The roadbed temporary drainage device is short in construction time and can be reused, and the defect that an existing roadbed temporary drainage device of a poured concrete structure is long in construction time is overcome.

Description

TECHNICAL FIELD

[0001] The utility model relates to road construction technical field especially relates to a roadbed temporary drainage device. BACKGROUND

[0002] In road construction engineering, when the construction period is in the rainy season, a temporary drainage structure needs to be arranged on the roadbed to drain the water on the roadbed. The existing temporary drainage structure is a hinged concrete drainage groove arranged on the side surface of the roadbed to drain water. The concrete drainage structure has the following disadvantages: long construction time, cannot be recycled, and the drainage groove needs to be filled with soil and greened in the later stage to avoid affecting the appearance of the road in the later stage. SUMMARY

[0003] The utility model aims at providing a roadbed temporary drainage device with short construction time and capable of being recycled, which overcomes the defect of long construction time of the existing roadbed temporary drainage device with cast concrete structure.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technology: a roadbed temporary drainage device, characterized in that it comprises a water inlet drainage groove section arranged on the top surface of the roadbed and a plurality of elongated drainage groove sections arranged along the slope direction of the side surface of the roadbed, the uppermost elongated drainage groove section is detachably connected with the water inlet drainage groove section, and adjacent elongated drainage groove sections are detachably connected together, the water inlet drainage groove section and the elongated drainage groove sections are both prefabricated parts, the water inlet drainage groove section comprises a water inlet section and a water outlet section which are fixed together, and the included angle between the water inlet section and the water outlet section is equal to the angle between the top surface and the side surface of the roadbed. In use, the water on the roadbed flows into the elongated drainage groove sections through the water inlet drainage groove section and is then drained to the side of the roadbed. Compared with the existing temporary drainage groove made of cast concrete, the technical solution is simple to install and disassemble and convenient to drain water, which not only reduces the risk of damage to the roadbed caused by rainwater, but also enables the drainage groove to be directly removed without damaging the side slope during the final construction of the drainage groove in the later stage. The roadbed temporary drainage device can be increased with the increase of the filling height of the roadbed, and compared with the drainage groove made of cast concrete, the roadbed temporary drainage device is convenient to construct and is beneficial to the construction of the roadbed without worrying about the drainage problem. After the construction is completed, the roadbed temporary drainage device can be recycled, thereby saving costs.

[0005] Preferably, the water inlet section is placed on the concrete layer cast on the top surface of the roadbed. This can prevent the water inlet from being washed away and causing collapse, thereby ensuring smooth drainage.

[0006] Preferably, the opening width of the water inlet section gradually increases from one end connected with the water outlet section to the other end. This can improve the smoothness of water inlet.

[0007] Preferably, the water inlet drainage groove section and the elongated drainage groove section are both steel structures. This can make the wall thickness smaller, the strength firm, and the processing convenient.

[0008] As preferred, the upper end of the two side walls of the lengthened drainage groove section is provided with an outward turning edge, the outer edge of the outward turning edge is provided with a downward turning edge, the side wall, the outward turning edge and the downward turning edge of the lengthened drainage groove section enclose an inverted water stop groove, and the soil of the roadbed is input into the water stop groove. The reliability of the utility model fixed on the roadbed can be improved.

[0009] As preferred, the upper end of the two side walls of the lengthened drainage groove section is provided with an outward turning edge, the outer edge of the outward turning edge is provided with a downward turning edge, the side wall, the outward turning edge and the downward turning edge of the lengthened drainage groove section enclose an inverted water stop groove, and the soil of the roadbed is input into the water stop groove. The reliability of the utility model fixed on the roadbed can be improved.

[0010] As preferred, the upper end of the two side walls of the lengthened drainage groove section is provided with an outward turning edge, the outer edge of the outward turning edge is provided with a downward turning edge, the side wall, the outward turning edge and the downward turning edge of the lengthened drainage groove section enclose an inverted water stop groove, and the soil of the roadbed is input into the water stop groove. The reliability of the utility model fixed on the roadbed can be improved.

[0011] As preferred, the upper end of the two side walls of the lengthened drainage groove section is provided with an outward turning edge, the outer edge of the outward turning edge is provided with a downward turning edge, the side wall, the outward turning edge and the downward turning edge of the lengthened drainage groove section enclose an inverted water stop groove, and the soil of the roadbed is input into the water stop groove. The reliability of the utility model fixed on the roadbed can be improved.

[0012] As preferred, the upper end of the two side walls of the lengthened drainage groove section is provided with an outward turning edge, the outer edge of the outward turning edge is provided with a downward turning edge, the side wall, the outward turning edge and the downward turning edge of the lengthened drainage groove section enclose an inverted water stop groove, and the soil of the roadbed is input into the water stop groove. The reliability of the utility model fixed on the roadbed can be improved.

[0013] As preferred, the upper end of the two side walls of the lengthened drainage groove section is provided with an outward turning edge, the outer edge of the outward turning edge is provided with a downward turning edge, the side wall, the outward turning edge and the downward turning edge of the lengthened drainage groove section enclose an inverted water stop groove, and the soil of the roadbed is input into the water stop groove. The reliability of the utility model fixed on the roadbed can be improved.

[0014] Beneficial effect: when in use, the water on the roadbed flows into the lengthened drainage groove section through the water inlet drainage groove section and then is discharged to the side of the roadbed. Compared with the existing temporary drainage groove made of concrete pouring, the technical scheme is simple to install and disassemble and convenient to drain, which not only can reduce the risk of the roadbed being damaged by rainwater, but also can be directly disassembled without damaging the side slope when the final drainage groove is constructed in the later stage. The lengthened drainage groove can be increased with the increase of the filling height of the roadbed, compared with the drainage groove made of concrete pouring, the lengthened drainage groove is convenient to construct and is beneficial to the roadbed to not worry about the drainage problem when the construction period is rushed. The lengthened drainage groove can be recycled after the construction is completed, thereby saving the cost. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a schematic view of the present utility model when viewed along the cross section of the roadbed;

[0016] Figure 2 is a partial enlarged view of A of Figure 1

[0017] Figure 3 is a schematic view of the present utility model from above;

[0018] Figure 4 is a B-B sectional view of Figure 3

[0019] In the drawing: roadbed 1, roadbed top surface 2, water inlet drainage groove section 3, roadbed side surface 4, lengthened drainage groove section 5, water inlet section 6, water outlet section 7, concrete layer 8, outer turning edge 9, lower turning edge 10, fixed rod connecting hole 11, fixed rod 12, large diameter section 13, blocking step 14, lapping section 15, lower layer of lapping section bottom wall 16, bolt 17, nut 18, protruding part 19, inner turning edge 20, lower layer of lapping section bottom wall 21, lower bolt hole 22, head part of bolt 23, sealing plug 24, upper end surface of sealing plug 25. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor fall within the scope of protection of the present utility model.

[0021] Referring to Figures 1 to 4 ​​The temporary drainage device for roadbed comprises a water inlet and outlet groove section 3 for laying on the top surface 2 of the roadbed 1 and a plurality of elongated outlet groove sections 5 for laying along the slope direction of the side surface 4 of the roadbed, the uppermost elongated outlet groove section is detachably connected with the water inlet and outlet groove section, and the adjacent elongated outlet groove sections are detachably connected with each other. The water inlet and outlet groove section and the elongated outlet groove section are both prefabricated steel plates. The water inlet and outlet groove section comprises a water inlet section 6 and a water outlet section 7 which are fixed together. The included angle between the water inlet section and the water outlet section is equal to the angle between the top surface and the side surface of the roadbed. The water inlet section is laid on the concrete layer 8 cast on the top surface of the roadbed. The opening width of the water inlet section gradually increases from one end connected with the water outlet section to the other end. The upper end of the side wall of the elongated outlet groove section is provided with an outward flange 9, the outer edge of the outward flange is provided with an inward flange 10, and the side wall, the outward flange and the inward flange of the elongated outlet groove section form an inverted water stop groove, and the soil of the roadbed is input into the water stop groove. The outward flange of each elongated outlet groove section is provided with a fixing rod connecting hole 11, and a fixing rod 12 is inserted into the fixing rod connecting hole and is nailed on the roadbed. The upper end of the fixing rod is provided with a large diameter section 13, and a blocking step 14 is formed between the fixing rod and the large diameter section. The lower end of the fixing rod extends away from the elongated outlet groove section. Between the adjacent elongated outlet groove sections, the upper elongated outlet groove section is overlapped on the lower elongated outlet groove section to form an overlapping section 15, and the water outlet section is overlapped on the uppermost elongated outlet groove section to also form an overlapping section, and the lower layer 16 of the bottom wall of the overlapping section and the upper layer 21 of the bottom wall of the overlapping section are fixed together by a bolt 17 cooperating with a nut 18. The upper bolt hole on the upper layer of the bottom wall of the overlapping section is provided with a convex part 19 which protrudes from the lower surface of the upper layer of the bottom wall of the overlapping section, and the lower end of the upper bolt hole is provided with an inward flange 20. The lower bolt hole 22 is provided on the lower layer 21 of the bottom wall of the overlapping section, and the nut aligned with the lower bolt hole is fixed on the lower surface of the lower layer of the bottom wall of the overlapping section. The bolt is inserted into the upper bolt hole from the upper end and is threadedly connected with the nut, the head 23 of the bolt abuts against the inward flange, the bolt is a hexagonal bolt, the upper bolt hole is provided with a sealing plug 24 to cover the head of the bolt, the upper end surface 25 of the sealing plug is a protruding spherical cap surface, and the edge of the upper end surface of the sealing plug is flush with the upper surface of the upper layer of the bottom wall of the overlapping section.

[0022] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to exclude myriad other embodiments of the present application that other inventors can develop based on the same general inventive concepts embodied by the described embodiments. That is, although the present application is described in terms of particular embodiments and implementations, it is to be understood that the terminology used is for the purpose of descriptive clarity and that it is intended to be limited only by the words recited in the appended claims. The scope of the present application shall be limited only by the claims.

[0023] While the embodiments of the present application have been shown and described with respect to particular embodiments thereof, it will be understood by those skilled in the art that various changes in form and details can be made therein without departing from the spirit and scope of the application. Therefore, the scope of the application should not be limited by the embodiments, but should be defined only in accordance with the following claims and their equivalents.

Claims

1. A temporary roadbed drainage device, characterized by, The water inlet and outlet channel section and the elongated water outlet channel section are both steel structures.

2. A temporary road base drainage device according to claim 1, wherein, The upper end of the two side walls of the elongated water outlet channel section is provided with an outward turned edge, the outer edge of the outward turned edge is provided with a downward turned edge, the side wall, the outward turned edge and the downward turned edge of the elongated water outlet channel section enclose an inverted water stop groove, and the soil of the roadbed is input into the water stop groove.

3. A temporary road base drainage device according to claim 1 or 2, wherein, The upper end of the two side walls of the elongated water outlet channel section is provided with an outward turned edge, the outer edge of the outward turned edge is provided with a downward turned edge, the side wall, the outward turned edge and the downward turned edge of the elongated water outlet channel section enclose an inverted water stop groove, and the soil of the roadbed is input into the water stop groove.

4. A temporary road base drainage device according to claim 1 or 2, wherein, The upper end of the two side walls of the elongated water outlet channel section is provided with an outward turned edge, the outer edge of the outward turned edge is provided with a downward turned edge, the side wall, the outward turned edge and the downward turned edge of the elongated water outlet channel section enclose an inverted water stop groove, and the soil of the roadbed is input into the water stop groove.

5. A temporary road base drainage device according to claim 1 or 2, wherein, The upper end of the two side walls of the elongated water outlet channel section is provided with an outward turned edge, the outer edge of the outward turned edge is provided with a downward turned edge, the side wall, the outward turned edge and the downward turned edge of the elongated water outlet channel section enclose an inverted water stop groove, and the soil of the roadbed is input into the water stop groove.

6. A temporary road base drainage device according to claim 1 or 2, wherein, The upper end of the two side walls of the elongated water outlet channel section is provided with an outward turned edge, the outer edge of the outward turned edge is provided with a downward turned edge, the side wall, the outward turned edge and the downward turned edge of the elongated water outlet channel section enclose an inverted water stop groove, and the soil of the roadbed is input into the water stop groove.

7. A temporary road base drainage device according to claim 6, wherein, The upper end of the two side walls of the elongated water outlet channel section is provided with an outward turned edge, the outer edge of the outward turned edge is provided with a downward turned edge, the side wall, the outward turned edge and the downward turned edge of the elongated water outlet channel section enclose an inverted water stop groove, and the soil of the roadbed is input into the water stop groove.

8. A temporary road base drainage device according to claim 6, wherein, The upper end of the two side walls of the elongated water outlet channel section is provided with an outward turned edge, the outer edge of the outward turned edge is provided with a downward turned edge, the side wall, the outward turned edge and the downward turned edge of the elongated water outlet channel section enclose an inverted water stop groove, and the soil of the roadbed is input into the water stop groove.

9. A temporary road base drainage device according to claim 1 or 2, wherein, The upper end of the two side walls of the elongated water outlet channel section is provided with an outward turned edge, the outer edge of the outward turned edge is provided with a downward turned edge, the side wall, the outward turned edge and the downward turned edge of the elongated water outlet channel section enclose an inverted water stop groove, and the soil of the roadbed is input into the water stop groove.

10. A temporary road base drainage device according to claim 9, wherein, The upper end of the two side walls of the elongated water outlet channel section is provided with an outward turned edge, the outer edge of the outward turned edge is provided with a downward turned edge, the side wall, the outward turned edge and the downward turned edge of the elongated water outlet channel section enclose an inverted water stop groove, and the soil of the roadbed is input into the water stop groove.

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